docs: add note about node-pre-gyp to readme.md (#141)

- Fixes #140
libp2p · Jan 12, 2022 · ab4cc82 · ab4cc82
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commit ab4cc82
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diff --git a/README.md b/README.md
@@ -34,6 +34,8 @@
 > npm install libp2p-webrtc-direct
 ```
 
+**NOTE:** To run build scripts `node-pre-gyp` is required. You can install it by running `npm install -g node-pre-gyp`.
+
 ## Usage
 
 ```js